@article{DMTCS_2007_9_1_a19,
     author = {Chang, An and Shiu, Wai Chee},
     title = {On the kth {Eigenvalues} of {Trees} with {Perfect} {Matchings}},
     journal = {Discrete mathematics & theoretical computer science},
     publisher = {mathdoc},
     volume = {9},
     number = {1},
     year = {2007},
     doi = {10.46298/dmtcs.409},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.46298/dmtcs.409/}
}